Home / 16,719.48-25,097.40-12,571.38

Finding the Fourth Proportional to 16,719.48, 25,097.40 and 12,571.38

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Solution

The fourth proportional to 16,719.48, 25,097.40 and 12,571.38 is: 18,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.48 : 25,097.40 = 12,571.38 : x
  2. Step 2: Convert to fraction form
    16,719.48/25,097.40 = 12,571.38/x
  3. Step 3: Cross multiply
    16,719.48x = 25,097.40 × 12,571.38
  4. Step 4: Simplify right side
    16,719.48x = 315,508,952.41
  5. Step 5: Solve for x
    x = 315,508,952.41/16,719.48
  6. Step 6: Final answer
    x = 18,870.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.